summaryrefslogtreecommitdiffstats
path: root/arch/arc/mm
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arc/mm')
-rw-r--r--arch/arc/mm/dma.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/arch/arc/mm/dma.c b/arch/arc/mm/dma.c
index cd8aad8..08450a1 100644
--- a/arch/arc/mm/dma.c
+++ b/arch/arc/mm/dma.c
@@ -158,7 +158,10 @@ static dma_addr_t arc_dma_map_page(struct device *dev, struct page *page,
unsigned long attrs)
{
phys_addr_t paddr = page_to_phys(page) + offset;
- _dma_cache_sync(paddr, size, dir);
+
+ if (!(attrs & DMA_ATTR_SKIP_CPU_SYNC))
+ _dma_cache_sync(paddr, size, dir);
+
return plat_phys_to_dma(dev, paddr);
}
OpenPOWER on IntegriCloud